// Name: src/gtk/dialog.cpp
// Purpose:
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/evtloop.h"
+#include "wx/scopedptr.h"
+#include "wx/modalhook.h"
+
#include <gtk/gtk.h>
+#include "wx/gtk/private/gtk2-compat.h"
+#include "wx/gtk/private/dialogcount.h"
+
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop)
-// this is defined in src/gtk/toplevel.cpp
-extern int wxOpenModalDialogsCount;
//-----------------------------------------------------------------------------
// wxDialog
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow)
-
void wxDialog::Init()
{
- m_returnCode = 0;
+ m_modalLoop = NULL;
m_modalShowing = false;
- m_themeEnabled = true;
}
wxDialog::wxDialog( wxWindow *parent,
EndModal( wxID_CANCEL );
}
- bool ret = wxWindow::Show( show );
+ if (show && CanDoLayoutAdaptation())
+ DoLayoutAdaptation();
- if (show) InitDialog();
+ bool ret = wxDialogBase::Show(show);
+
+ if (show)
+ InitDialog();
return ret;
}
+wxDialog::~wxDialog()
+{
+ // if the dialog is modal, this will end its event loop
+ if ( IsModal() )
+ EndModal(wxID_CANCEL);
+}
+
bool wxDialog::IsModal() const
{
return m_modalShowing;
}
-void wxDialog::SetModal( bool WXUNUSED(flag) )
+// Workaround for Ubuntu overlay scrollbar, which adds our GtkWindow to a
+// private window group in a GtkScrollbar realize handler. This breaks the grab
+// done by gtk_window_set_modal(), and allows menus and toolbars in the parent
+// frame to remain active. So, we install an emission hook on the "realize"
+// signal while showing a modal dialog. For any realize on a GtkScrollbar,
+// we check the top level parent to see if it has an explicitly set window
+// group that is not the same as its transient parent. If we find this, we
+// put the top level back in the same window group as its transient parent, and
+// re-add the grab.
+// Ubuntu 12.04 and 12.10 are known to have this problem.
+
+// need 2.10 for gtk_window_get_group()
+#if GTK_CHECK_VERSION(2,10,0)
+extern "C" {
+static gboolean
+realize_hook(GSignalInvocationHint*, unsigned, const GValue* param_values, void*)
{
- wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") );
+ void* p = g_value_peek_pointer(param_values);
+ if (GTK_IS_SCROLLBAR(p))
+ {
+ GtkWindow* toplevel = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(p)));
+ GtkWindow* transient_parent = gtk_window_get_transient_for(toplevel);
+ if (transient_parent && gtk_window_has_group(toplevel))
+ {
+ GtkWindowGroup* group = gtk_window_get_group(toplevel);
+ GtkWindowGroup* group_parent = gtk_window_get_group(transient_parent);
+ if (group != group_parent)
+ {
+ gtk_window_group_add_window(group_parent, toplevel);
+ gtk_grab_add(GTK_WIDGET(toplevel));
+ }
+ }
+ }
+ return true;
+}
}
+#endif // GTK 2.10
int wxDialog::ShowModal()
{
- if (IsModal())
- {
- wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") );
- return GetReturnCode();
- }
+ WX_HOOK_MODAL_DIALOG();
+
+ wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" );
// release the mouse if it's currently captured as the window having it
// will be disabled when this dialog is shown -- but will still keep the
if ( win )
win->GTKReleaseMouseAndNotify();
- // use the apps top level window as parent if none given unless explicitly
- // forbidden
- if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) )
+ wxWindow * const parent = GetParentForModalDialog();
+ if ( parent )
{
- wxWindow * const parent = GetParentForModalDialog();
- if ( parent && parent != this )
- {
- gtk_window_set_transient_for( GTK_WINDOW(m_widget),
- GTK_WINDOW(parent->m_widget) );
- }
+ gtk_window_set_transient_for( GTK_WINDOW(m_widget),
+ GTK_WINDOW(parent->m_widget) );
}
wxBusyCursorSuspender cs; // temporarily suppress the busy cursor
+#if GTK_CHECK_VERSION(2,10,0)
+ unsigned sigId = 0;
+ gulong hookId = 0;
+#ifndef __WXGTK3__
+ // Ubuntu overlay scrollbar uses at least GTK 2.24
+ if (gtk_check_version(2,24,0) == NULL)
+#endif
+ {
+ sigId = g_signal_lookup("realize", GTK_TYPE_WIDGET);
+ hookId = g_signal_add_emission_hook(sigId, 0, realize_hook, NULL, NULL);
+ }
+#endif
+
Show( true );
m_modalShowing = true;
- wxOpenModalDialogsCount++;
+ wxOpenModalDialogLocker modalLock;
// NOTE: gtk_window_set_modal internally calls gtk_grab_add() !
gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE);
- wxGUIEventLoop().Run();
+ // Run modal dialog event loop.
+ {
+ wxGUIEventLoopTiedPtr modal(&m_modalLoop, new wxGUIEventLoop());
+ m_modalLoop->Run();
+ }
+
+#if GTK_CHECK_VERSION(2,10,0)
+ if (sigId)
+ g_signal_remove_emission_hook(sigId, hookId);
+#endif
gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE);
- wxOpenModalDialogsCount--;
-
return GetReturnCode();
}
if (!IsModal())
{
- wxFAIL_MSG( wxT("wxDialog:EndModal called twice") );
+ wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" );
return;
}
m_modalShowing = false;
- gtk_main_quit();
+ // Ensure Exit() is only called once. The dialog's event loop may be terminated
+ // externally due to an uncaught exception.
+ if (m_modalLoop && m_modalLoop->IsRunning())
+ m_modalLoop->Exit();
Show( false );
}
projects / wxWidgets.git / blobdiff